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The AAPG/Datapages Combined Publications Database
Showing 4,126 Results. Searched 196,377 documents.
Estimation of Dispersion in Orientations of Natural Fractures from Seismic Data: Application to Discrete Fracture Network Modeling
Reinaldo J Michelena, Kevin S. Godbey, Huabing Wang, James R. Gilman, Chris K. Zahm
Unconventional Resources Technology Conference (URTEC)
... DFMs with a large Fisher coefficient (1000) uniformly assigned throughout the model area resulting in strong directional permeability anisotropy around...
2013
Characterization and Simulation of Fluid Flow in Natural Fracture Networks
Hugo Harstad, Lawrence W. Teufel, John C. Lorenz
Rocky Mountain Association of Geologists
... the overall porosity and permeability of many reservoirs, they also create significant permeability anisotropy. In order to assess the role of fractures...
1997
Integrated Petrophysical Properties and Multi-Scaled SEM Microstructural Characterization
Eric T. Goergen, Mark Curtis, Jeremy Jernigen, Carl Sondergeld, Chandra Rai
Unconventional Resources Technology Conference (URTEC)
... with strong textural and elastic anisotropy as is the case for most mudrocks (e.g. Naus-Thijssen et al., 2011). Unraveling the competing influence of porosity...
2014
Geomechanical Characterization of Shale Gas Reservoir Rocks for Design and Planning of Stimulation Treatment: A Cooper Basin Case Study
Gamaliel Bazunu, Sheik S. Rahman, Fengde D. Zhou, Liuqi Wang
Unconventional Resources Technology Conference (URTEC)
... mechanical anisotropy. Experimental results suggest that the rock strength and elastic properties vary significantly due to variation of sample...
2015
Determination of Local Diffusion Coefficients and Directional Anisotropy in Shale From Dynamic Micro-CT Imaging
Yulai Zhang, Peyman Mostaghimi, Andrew Fogden, Alessio Arena, Adrian Sheppard, Jill Middleton, Ryan T. Armstrong
Unconventional Resources Technology Conference (URTEC)
...Determination of Local Diffusion Coefficients and Directional Anisotropy in Shale From Dynamic Micro-CT Imaging Yulai Zhang, Peyman Mostaghimi...
2017
Integrated Workflow for Fracture Characterization ; From Well Bore Analysis, Post-Stack Geometrical Attributes and Pre-Stack Azimuthal Inversion; Case Study for Fractured Volcanic Reservoir Analysis in Jatibarang Field, North West Java Basin
Aji Rahmat Ginanjar, Andreas Wasi Kuncoro, Muhammad Taslim, Tri Sunarno Irianto, Arrie Kurniawan, Oddy Pranidhana
Indonesian Petroleum Association
... Symmetry) 2. Orthogonal anisotropy 3. Unidirectional oblique anisotropy. Transverse isotropy medium refers to the elastic features that are in the same...
2017
Microscale Laboratory Studies for Determining Fracture Directionality in Tight Sandstone and Shale During Hydraulic Fracturing
Magdalene A. Ante, Gonchigar Manjunath, Fred Aminzadeh, Birendra Jha
Unconventional Resources Technology Conference (URTEC)
... anisotropy and honor the fact that fracture mechanics is orientation-dependent. Understanding the role of anisotropy on fracture initiation...
2018
An Integrated Analytics and Machine Learning Solution for Predicting the Anisotropic Static Geomechanical Properties of the Tuscaloosa Marine Shale
Cristina Mariana Ruse, Jamal Ahmadov, Ning Liu, Mehdi Mokhtari
Unconventional Resources Technology Conference (URTEC)
... estimates for Young’s modulus, Poisson’s ratio, and closure stress. Anisotropy in shales can be the result of several factors, such as clays...
2021
A Multi-Disciplinary Approach to Evaluating Development Strategies in the Marcellus to Address Well Spacing, In-fill Timing and Operational Sequencing
Bilu Cherian, Habib Guerrero, Richard Pratt, Tracy Lombardi, Zach Swanson, Olubiyi Olaoye, Santhosh Narasimhan, Yulia Faulkner
Unconventional Resources Technology Conference (URTEC)
... anisotropy was captured along the vertical, inclined, and horizontal planes. Velocity anisotropy was noticed in the Marcellus (more than Onondaga) due...
2022
Enhanced Temperature Gradient in the Deep Tuscaloosa Trend--Is It Really There?
Philip H. Nelson
GCAGS Transactions
..., Geothermics, v. 18, n. 5/6, p. 775--786. Demongodin, L., G. Vasseur, and F. Brigaud, 1993, Anisotropy of thermal conductivity in clayey formations...
2003
Geostatistical Methods
Mike Shepherd
AAPG Special Volumes
... variograms are made for the same data set but with different azimuths, then this can give a sense of the degree of anisotropy of the data. If the plots...
2009
Newport-Inglewood Fault Zone, Los Angeles Basin, California: DISCUSSION
John P. Platt , Charles J. Stuart
AAPG Bulletin
... of the Newport-Inglewood fault zone is controlled by basement anisotropy parallel with this facies boundary (p. 129). Discussion: The mineralogic criteria...
1974
Physics-Driven Optimization of Drained Rock Volume for Multistage Fracturing: Field Example from the Wolfcamp Formation, Midland Basin
Sergei G. Parsegov, Kiran Nandlal, David S. Schechter, Ruud Weijermars
Unconventional Resources Technology Conference (URTEC)
...) and (Svatek 2017). Stress State and Horizontal Stress Anisotropy. In the area of interest (North-East part of Upton county) horizontal wells are usually...
2018
Geomechanics: Pressure, Stress Field, and Hydraulic Fractures
Raúl A. Varela, Denis Marchal, Sergio Cuervo, Ezequiel F. Lombardo, Yonatan S. Perl, Damián E. Hryb, Osvaldo Nielsen, Pablo Pateti
AAPG Special Volumes
... and elastic anisotropy in the Vaca Muerta shale, Master’s Thesis, Colorado School of Mines, Golden, Colorado, 139 p. Drapeau, D., F. Cerda, L. Maurel, P...
2020
Regional Fractures II: Fracturing of Mesaverde Reservoirs in the Piceance Basin, Colorado (1)
JOHN C. LORENZ and SHARON J. FINLEY
AAPG Bulletin
..., 1987). Fractures may increase reservoir permeability, but they also commonly cause a marked horizontal permeability anisotropy. Moreover, they may...
1991
The effects of salt evolution, structural development, and fault propagation on Late Mesozoic-Cenozoic oil migration: A two-dimensional fluid-flow study along a megaregional profile in the northern Gulf of Mexico Basin
S. Cheree Stover, Shemin Ge, Paul Weimer, Barry C. McBride
AAPG Bulletin
... in porosity and permeability, anisotropy, and conductivity were, in general, calculated through a mathematical averaging scheme using the composition...
2001
Impact of Organic Fabrics, Thermal Maturity, Saturation and Diagenesis on Shale Rock Properties
Claudio Delle Piane, Ben Clennell, Matthew Josh, Dave Dewhurst
Unconventional Resources Technology Conference (URTEC)
... values of electrical anisotropy, with horizontal conductivity often more than ten times higher than vertical conductivity in the same small rock...
2019
Co-Application of Micro-Proppant with Horizontal Well, Multi-Stage Hydraulic Fracturing Treatments to Improve Productivity in the Permian Coal Measures, Bowen Basin, Australia
Honja Miharisoa Ramanandraibe, Mohammad Sedaghat, Raymond Johnson Jr, Vanessa Santiago
Australian Petroleum Production & Exploration Association (APPEA) Journal
... in this model including initial permeability, permeability anisotropy, fracture half-length, area and conductivity of the enhanced region between...
2022
An analysis of horizontal microcracking during catagenesis: Example from the Catskill delta complex
Gary G. Lash, Terry Engelder
AAPG Bulletin
...) the abundance of flat kerogen grains oriented parallel to layering; (2) a marked strength anisotropy in large part caused by the laminated nature...
2005
Failure modes of shales and their implications for natural and man-made fracture assemblages
Atilla Aydin
AAPG Bulletin
... properties of shale-gas reservoir rocks—Part 1 Static and dynamic elastic properties and anisotropy: Geophysics, v. 78, p. D381–D392, doi...
2014
Permeability and flow impact of faults and deformation bands in high-porosity sand reservoirs: Southeast Basin, France, analog
Elodie Saillet, Christopher A. J. Wibberley
AAPG Bulletin
..., kinematics, and anisotropy. Second, their effect on flow at the scale of a reservoir is examined, particularly to establish if a large number of small...
2013
Investigation of Micro-Seismicity and Permeability Evolution in Shale Fractures During Stimulation
Zhi Ye, Ahmad Ghassemi
Unconventional Resources Technology Conference (URTEC)
..., s Figure 2. Anisotropy evaluation of P-wave velocity: the small velocity differences in three directions indicate that this Eagle Ford shale is without...
2019
Improving Recovery Potential Through Understanding Parent-child Well Interactions in a Heterogenous Shale Play
C.M. Freeman, H. Sarak, T. Firincioglu, C. Ozgen
Unconventional Resources Technology Conference (URTEC)
... permeability, setting aside anisotropy. However, background natural fracture permeability was also determined to be particularly low in this reservoir via...
2023
A Geomechanics and Pore Pressure Informed Stage Level Optimization Case Study for Unconventional, Infill Development in the Powder River Basin
Joel Mazza, Justin Kegel, Steve Van Delinder, Tom Hewett, Beth Emborsky, Scott Patrick
Unconventional Resources Technology Conference (URTEC)
... 21-7TH). A zone of anisotropy near the base of the Turner, from 10,496 to 10,512, has an average fast shear azimuth orientation of N45W as shown...
2023
Chapter 9: The Zafarani and Tangawizi Giant Gas Discoveries: Two Very Different Play Openers Offshore Tanzania
Clemens Pirker, Nadya Badmaeva
AAPG Special Volumes
..., Anisotropy parameter estimation: International Patent, number US20150160368A1, accessed February 11, 2021, https://patents.google.com/patent/US20150160368A1...
2021